<?php
	function add($tal1, $tal2){
		$tal3=$tal1+$tal2;
		return $tal3;
	}
	function sub($tal1, $tal2){
		$tal3=$tal1-$tal2;
		return $tal3;
	}
		
	function multi($tal1, $tal2){
		$tal3=$tal1*$tal2;
		return $tal3;
	}
		
	function div($tal1, $tal2){
		$tal3=$tal1/$tal2;
		return $tal3;
	
	}
	function mod($tal1, $tal2){
		$tal3=$tal1%$tal2;
		return $tal3;
	}
	echo"10 + 7 =".add(10,7)."<br>";
	echo"10 - 7 = ".sub (10,7)."<br>";
	echo"10 * 7 = ".multi (10,7)."<br>";
	echo"10 / 7 = ".div (10,7)."<br>";
	echo"10 % 7 = ".mod (10,7)."<br>";
	
	
		